.BuyVac{
    width: 100%;
    height: 100%;
    background: url('./tbg.png') no-repeat center center;
    background-size: 100% 98%;
    background-position: 0px 80px;
    position: relative;
    img{
        width: 100%;
        margin-top: 100px;
        visibility: hidden;
    }
    .BuyVac-banner{
        width: 100%;
        height: 80px;
        background-color: #eee;
    }
    .back {
        width: 100px;
        height: 80px;
        background: url('~images/icon-left.png') no-repeat center center;
        background-size: 20px auto;
    }
    .btn-img{
        position: absolute;
        bottom: 60px;
        left: calc(50% - 150px);
        width: 300px;
        height: 80px;
        background: url('./bt.png') no-repeat center center;
        background-size: 200% 200%;
    }
}